CN213150195U

CN213150195U - Panel alignment device

Info

Publication number: CN213150195U
Application number: CN202022694865.6U
Authority: CN
Inventors: 洪晙雅
Original assignee: LG Display Optoelectronics Technology China Co Ltd
Current assignee: LG Display Optoelectronics Technology China Co Ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-05-07
Anticipated expiration: 2030-11-18

Abstract

The utility model discloses a panel alignment device, including last workstation and lower workstation, the lower workstation is located the below of workstation, it is used for adsorbing the panel to go up the workstation, the lower workstation is used for supporting the metal sheet, the horizontal direction removal can be followed to the lower workstation, be provided with a plurality of vacuum chuck and a plurality of bonding portion on going up the workstation, upward be provided with first accommodation hole on the workstation, vacuum chuck is located first accommodation hole, vacuum chuck can follow vertical direction and remove outside in order to stretch out first accommodation hole, vacuum chuck can stimulate the panel laminating and bond with bonding portion on last workstation, also can promote panel and the separation of bonding portion. Through setting up vacuum chuck, vacuum chuck both can regard as the part that the absorption panel removed, also can promote panel and bonding portion separation, has simplified the part structure, has prolonged life, has reduced manufacturing and maintenance cost.

Description

Panel alignment device

Technical Field

The utility model relates to a display panel makes technical field, especially relates to a panel alignment device.

Background

When a panel of the display device is manufactured, a layer of metal plate is attached to the panel, and the metal plate is used for protecting the panel. Before the panel is attached to the metal plate, the four corners of the panel and the metal plate need to be aligned. In the prior art, before a panel is attached to a metal plate, the panel and the metal plate are respectively conveyed to an upper workbench and a lower workbench of an alignment device through a mechanical arm, the panel is fixed through a plurality of adsorption parts fixed on the upper workbench, the lower workbench moves in the horizontal direction so as to align the metal plate with the panel on the upper workbench, then the adsorption parts remove the adsorption effect on the panel, and the panel is accurately stacked on the metal plate. The adsorption part is arranged on the upper workbench, the adsorption part is provided with an adhesion area and a stripping part arranged on one side of the adhesion area, the adhesion area is adhered to the panel, the stripping part is of a film layer structure and can be inflated and deflated, the stripping part protrudes out of the surface of the adsorption part during inflation, the panel can be separated from the adhesion area, the stripping part retracts into the adsorption part during deflation, and the panel can be adhered to the adhesion area at the moment. The stripping part is inflated and deflated for a long time, and is easy to crack and leak, so that the stripping part on the whole upper workbench is failed, and the maintenance cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: a panel alignment apparatus is provided that has a long service life and low maintenance costs.

In order to achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a panel aligning device, includes workstation and lower workstation, the workstation is located down the below of last workstation, it is used for adsorbing the panel to go up the workstation, the workstation is used for supporting the metal sheet down, the workstation can be followed the horizontal direction and removed down, it is provided with a plurality of vacuum chuck and a plurality of portion of bonding to go up to be provided with on the workstation, it is provided with first accommodation hole to go up on the workstation, vacuum chuck is located in the first accommodation hole, vacuum chuck can follow vertical direction and remove in order to stretch out outside the first accommodation hole, vacuum chuck can stimulate the panel laminating is in go up the workstation with the portion of bonding bonds, also can promote the panel with the separation of portion of bonding.

As a preferable aspect of the panel alignment device, the vacuum chuck and the bonding portion are provided at an interval.

As a preferable aspect of the panel alignment device, the first receiving hole penetrates the upper table in a vertical direction.

As a preferable technical solution of the panel alignment apparatus, a guide assembly is provided between the vacuum chuck and the hole wall of the first accommodation hole, the guide assembly includes a guide groove and a guide protrusion slidably fitted in the guide groove, one of the guide groove and the guide protrusion is provided on the vacuum chuck, and the other of the guide groove and the guide protrusion is provided on the hole wall of the first accommodation hole.

As a preferable technical solution of the panel alignment apparatus, a first driving member is disposed on one side of the upper workbench, which is far away from the lower workbench, and the first driving member is connected with all the vacuum chucks and can synchronously drive all the vacuum chucks to vertically move.

As a preferable technical scheme of the panel alignment device, the first driving member includes a first lifting frame and a first cylinder, the first lifting frame is located above the upper workbench, the first cylinder is used for driving the first lifting frame to lift relative to the upper workbench, and the upper ends of all the vacuum chucks are connected with the first lifting frame.

As a preferable technical solution of the panel alignment apparatus, a guide rod is disposed on a side of the upper table opposite to the lower table, a lower end of the guide rod is connected to the upper table, an upper end of the guide rod extends in a vertical direction, the first lifting frame is provided with a guide hole through which the guide rod passes, and the first lifting frame can be lifted relative to the guide rod.

As a preferable technical solution of the panel aligning device, an installation groove is concavely provided on the upper workbench, and the bonding part is detachably installed in the installation groove.

As a preferable technical solution of the panel aligning device, the upper table is concavely provided with a mounting groove, the bonding portion is mounted in the mounting groove, the bonding portion has a bonding surface bonded to the panel, and the bonding surface is flush with the lower surface of the upper table.

As a preferable technical solution of the panel alignment apparatus, a thimble is provided on the lower table, and the thimble is vertically movable to protrude out of an upper surface of the lower table.

The utility model has the advantages that: through setting up vacuum chuck, vacuum chuck both can regard as the part that the absorption panel removed, also can promote panel and bonding portion separation, has simplified the part structure, has prolonged life, has reduced manufacturing and maintenance cost.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

FIG. 1 is a schematic view showing the installation of an upper table, a lower table, a panel and a metal plate according to the embodiment (when the panel is adhered to the upper table).

Fig. 2 is a sectional view of the panel alignment device according to the embodiment (when the panel is not separated from the bonding portion).

Fig. 3 is a sectional view of the panel alignment apparatus according to the embodiment (when the panel is separated from the bonding portion).

Fig. 4 is a bottom view of the upper table according to the embodiment.

FIG. 5 is a schematic view showing the connection between the upper table and the driving member according to the embodiment (when the panel is not separated from the adhering portion).

FIG. 6 is a schematic view showing the connection between the upper table and the driving member according to the embodiment (when the panel is peeled off from the adhesive portion).

Fig. 7 is a plan view of the first crane according to the embodiment.

FIG. 8 is a schematic view of an embodiment of a guide assembly coupled to a vacuum chuck.

FIG. 9 is a schematic view of another embodiment of a guide assembly coupled to a vacuum chuck.

Fig. 10 is an enlarged view of a portion a in fig. 4.

In the figure:

100. a panel; 200. a metal plate; 300. a first mark; 400. a second mark;

1. an upper working table; 2. a lower working table; 3. a vacuum chuck; 4. an adhesive portion; 401. a plate body; 402. an adhesive body; 403. avoidance positions; 5. a camera; 6. a camera hole; 7. a first accommodation hole; 8. a first driving member; 801. a first cylinder; 802. a first lifting frame; 803. a connecting rod; 804. a guide hole; 9. a guide assembly; 901. a guide projection; 902. a guide groove; 10. a guide bar; 11. a second accommodation hole; 12. a thimble; 13. and connecting screws.

Detailed Description

The advantages and features of the present invention and the methods of accomplishing the same will become apparent with reference to the following detailed description of the embodiments taken in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, and the embodiments are provided only to accomplish the disclosure of the present invention and to enable those skilled in the art to sufficiently understand the scope of the present invention, and the present invention is limited only by the scope of the claims. Like reference numerals denote like constituent elements throughout the specification.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

Referring to fig. 1 to 4, an embodiment of the present invention provides a panel alignment apparatus, including an upper table 1 and a lower table 2, the lower table 2 is located below the upper table 1, the upper table 1 is used for adsorbing a panel 100, the lower table 2 is used for supporting a metal plate 200, and the lower table 2 can move along a horizontal direction. The upper workbench 1 is provided with a plurality of vacuum chucks 3 and a plurality of bonding portions 4, the upper workbench 1 is provided with a first accommodating hole 7, the vacuum chucks 3 are located in the first accommodating hole 7, the vacuum chucks 3 can move along the vertical direction to extend out of the first accommodating hole 7, the vacuum chucks 3 can pull the panel 100 to be bonded with the bonding portions 4 on the upper workbench 1, and the panel 100 can be pushed to be separated from the bonding portions 4. The panel 100 and the metal plate 200 are both of a rectangular parallelepiped structure, the regions adjacent to the four corners of the panel 100 are provided with first marks 300, the regions adjacent to the four corners of the metal plate 200 are provided with second marks 400, and the four first marks 300 on the panel 100 are respectively in one-to-one correspondence with the four second marks 400 on the metal plate 200. The panel 100 is a see-through glass plate, the metal plate 200 on the lower table 2 can be observed from the upper surface of the panel 100, and the first mark 300 and the second mark 400 are both non-transparent marks and provide a position reference function. The vacuum chuck 3 is connected to an air pump, and the air pump can pump air to the vacuum chuck 3 to make the vacuum chuck 3 in a negative pressure state to adsorb the panel 100. The robot arm conveys the panel 100 to be aligned to the lower surface of the upper workbench 1, controls the vacuum chuck 3 to move downwards in the first accommodating hole 7 and contact with the upper surface of the panel 100, the air pump pumps air to the vacuum chuck 3 to enable the interior of the vacuum chuck 3 to be in a negative pressure state so as to adsorb the panel 100, then controls the vacuum chuck 3 to ascend to enable the upper surface of the panel 100 to be adhered to the adhering part 4 on the upper workbench 1, and further enables the panel 100 to be adsorbed on the upper workbench 1. The lower table 2 is moved along the horizontal direction, the relative position of the metal plate 200 and the panel 100 is adjusted, the four corners of the panel 100 and the metal plate 200 are aligned, the vacuum chuck 3 moves downwards and extends out of the first accommodating hole 7, the panel 100 is pushed to be separated from the bonding part 4, and the panel 100 is stacked on the metal plate 200 under the action of gravity. After the panel 100 is separated from the bonding portion 4, the vacuum chuck 3 and the panel 100 are kept in a suction state, and the panel 100 is pulled by the vacuum chuck 3, so that the descending speed of the panel 100 can be buffered, the collision force when the panel 100 is bonded with the metal panel 100 can be reduced, and the abrasion of the metal plate 200 to the surface of the panel 100 can be minimized. Through the arrangement of the vacuum chuck 3, the vacuum chuck 3 can be used as a part for adsorbing the movement of the panel 100 and can also push the panel 100 to be separated from the bonding part 4, so that the structure of the part is simplified, the service life is prolonged, and the manufacturing and maintenance cost is reduced.

Specifically, since the panel 100 is a see-through glass plate, the metal plate 200 on the lower surface is directly observed from the upper surface of the panel 100, which facilitates determining whether the four corners of the glass plate are aligned with the four corners of the metal plate 200. Cameras 5 may be disposed at the upper working table 1 corresponding to the four first marks 300 on the panel 100, and the cameras 5 may be capable of photographing the metal plate 200 through the panel 100. When the camera 5 shoots that the four first marks 300 and the four second marks 400 on the panel 100 coincide one by one, it indicates that the four corners of the panel 100 and the metal plate 200 are aligned. The camera 5 can assist an operator to adjust the position of the metal plate 200, and the alignment efficiency of the alignment device is improved. Further, the upper table 1 is provided with a camera hole 6 for installing the camera 5, and the camera 5 is installed in the camera hole 6 to prevent the camera 5 from protruding the lower surface of the upper table 1 to form position interference with the panel 100.

In one embodiment, the vacuum chuck 3 and the bonding portion 4 are spaced apart from each other to keep the vacuum chuck 3 and the bonding portion 4 relatively independent from each other, so as to prevent the vacuum chuck 3 and the bonding portion 4 from interfering with each other, and to facilitate the control of the movement of the vacuum chuck 3 in the first accommodation hole 7.

In this embodiment, the first receiving hole 7 penetrates the upper table 1 in the vertical direction, and the first receiving hole 7 with two open ends facilitates driving of the vacuum chuck 3. In other embodiments, the first receiving hole 7 may be a blind hole, and an opening of the blind hole faces the lower table 2 to provide a position for extending the vacuum chuck 3.

In one embodiment, referring to fig. 8, a guide assembly 9 is disposed between the vacuum chuck 3 and the hole wall of the first accommodating hole 7, the guide assembly 9 includes a guide groove 902 and a guide protrusion 901 slidably fitted in the guide groove 902, the guide protrusion 901 is disposed on the vacuum chuck 3, and the guide groove 902 is disposed on the hole wall of the first accommodating hole 7. The length direction of the guide groove 902 is parallel to the central line of the first accommodating hole 7, and the guide protrusion 901 on the vacuum chuck 3 is in sliding fit with the guide groove 902, so that the vacuum chuck 3 can be ensured to move stably in the vertical direction. Preferably, there are two guide protrusions 901, two guide protrusions 901 are symmetrically distributed on the periphery of the vacuum chuck 3, and each of the two guide protrusions 901 has a corresponding guide groove 902. Two symmetrical guide bulges 901 are arranged, so that the vacuum chuck 3 can avoid lateral deviation and is clamped tightly when moving.

In another embodiment, referring to fig. 9, a guide assembly 9 is disposed between the vacuum chuck 3 and the hole wall of the first accommodating hole 7, the guide assembly 9 includes a guide groove 902 and a guide protrusion 901 slidably fitted in the guide groove 902, the guide groove 902 is disposed on the vacuum chuck 3, the guide protrusion 901 is disposed on the hole wall of the first accommodating hole 7, the length direction of the guide groove 902 is parallel to the center line of the first accommodating hole 7, and the guide assembly 9 with this structure can also ensure that the vacuum chuck 3 can move stably in the vertical direction. Preferably, there are two guiding grooves 902, two guiding grooves 902 are symmetrically distributed on the periphery of the vacuum chuck 3, and each guiding groove 902 is corresponding to a guiding protrusion 901. Two symmetrical guide grooves 902 are arranged, so that the vacuum chuck 3 can be prevented from being laterally deviated and clamped when moving.

As a preferable scheme, referring to fig. 5 to 7, a first driving member 8 is disposed on a side of the upper table 1 away from the lower table 2, the first driving member 8 is connected to all the vacuum chucks 3, and the first driving member 8 can synchronously drive all the vacuum chucks 3 to vertically move. All the vacuum chucks 3 are driven to move by the first driving piece 8, so that the operation is convenient. Of course, in other implementations, manual actuation of the vacuum chuck 3 to move vertically may also be used.

Specifically, the first driving member 8 comprises a first lifting frame 802 and a first air cylinder 801, the first lifting frame 802 is positioned above the upper workbench 1, the first air cylinder 801 is used for driving the first lifting frame 802 to lift relative to the upper workbench 1, and the upper ends of all the vacuum suction cups 3 are connected with the first lifting frame 802. The first crane 802 connects all the vacuum suction cups 3 as a whole, and the lifting of the first crane 802 drives all the vacuum suction cups 3 to move synchronously.

Further, a connecting rod 803 is arranged between each vacuum suction cup 3 and the first lifting frame 802, the upper end of each connecting rod 803 is connected with the first lifting frame 802, and the lower end of each connecting rod 803 extends into the first accommodating hole 7 and is connected with the vacuum suction cup 3.

In order to ensure that the first lifting frame 802 can be lifted stably, a guide rod 10 is arranged on one side of the upper workbench 1, which is far away from the lower workbench 2, the lower end of the guide rod 10 is connected with the upper workbench 1, the upper end of the guide rod 10 extends along the vertical direction, the first lifting frame 802 is provided with a guide hole 804 for the guide rod 10 to penetrate through, and the first lifting frame 802 can be lifted relative to the guide rod 10. The guide rod 10 penetrates through the guide hole 804, and the guide rod 10 is used for guiding the lifting of the first lifting frame 802, so that the first lifting frame 802 can move smoothly. In addition, the guide rod 10 is connected with the upper surface of the upper workbench 1, so that the upper workbench 1 and the guide rod 10 are connected into a whole body, and the carrying is convenient.

In one embodiment, the upper table 1 is concavely provided with a mounting groove (not shown), and the bonding portion 4 is detachably mounted in the mounting groove. The setting of mounting groove on the one hand provides accommodation space for bonding portion 4, and on the other hand provides the positioning action for the installation of bonding portion 4, confirms the mounted position of bonding portion 4 fast. Can dismantle the setting with bonding portion 4, can change the bonding portion 4 in the mounting groove after long-time the use, be favorable to prolonging alignment device's life.

Specifically, referring to fig. 10, an installation groove is concavely provided on the upper table 1, the adhesive portion 4 is installed in the installation groove, the adhesive portion 4 includes a plate body 401 and a plurality of adhesive bodies 402 disposed on the plate body 401, and the plurality of adhesive bodies 402 are distributed at intervals on a side surface of the plate body 401 facing away from the upper table 1. All the adhesive bodies 402 constitute an adhesive surface flush with the lower surface of the upper table 1, with one side surface of the panel 100 being adhered. The board body 401 runs through and has been seted up first connecting hole, and the second connecting hole has been seted up to the tank bottom of mounting groove, first connecting hole and second connecting hole intercommunication, and connecting screw 13 screws up in first connecting hole and second connecting hole, realizes that bonding portion 4 is connected with dismantling of last workstation 1.

Further, the connection screw 13 has a screw body and a nut arranged at one end of the screw body, the screw body passes through the first connection hole and is screwed in the second connection hole, the plate body 401 is provided with an avoiding position 403 corresponding to the nut, and the avoiding position 403 is used for avoiding the nut. The existence of the avoiding portion 403 prevents the nut from protruding from the lower surface of the board body 401 when the screw body is screwed into the second connection, thereby preventing the protruding nut from interfering with the position of the panel 100.

Wherein, the lower worktable 2 is provided with a thimble 12, and the thimble 12 can vertically move to extend out of the upper surface of the lower worktable 2. It is understood that the ejector pins 12 push the metal plate 200 on the lower table 2 upward before the panel 100 is stacked on the metal plate 200, and after the panel 100 is stacked on the metal plate 200 on the upper side of the lower table 2, the ejector pins 12 are driven to move downward to integrally move the panel 100 and the metal plate 200 onto the lower table 2, thereby preventing the panel 100 from rubbing against the surface of the lower table 2 when stacked on the metal plate 200.

Preferably, the ejector pins 12 are suction cups, which are identical in structure to the vacuum cups 3 on the upper table 1. Specifically, the lower table 2 is provided with a second accommodation hole 11 for accommodating the thimble 12.

Further, with reference to fig. 10, the lift of the ejector pins 12 is driven by a second cylinder, a second lift rack is arranged between the second cylinder and the ejector pins 12, the second lift rack is located on one side of the lower workbench 2 departing from the upper workbench 1, each ejector pin 12 is connected with the second lift rack through a connecting rod 803, and the structure of the second lift rack is the same as that of the first lift rack 802.

Although the embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above embodiments, but may be manufactured in various forms, and those skilled in the art will understand that the present invention may be embodied in other specific forms without changing the technical spirit or essential features of the invention. It is therefore to be understood that the above described embodiments are illustrative and not restrictive in all respects.

Claims

1. The utility model provides a panel aligning device, includes workstation and lower workstation, the workstation is located down the below of last workstation, it is used for adsorbing the panel to go up the workstation, the workstation is used for supporting the metal sheet down, the workstation can be followed the horizontal direction and removed down, a serial communication port, it is provided with a plurality of vacuum chuck and a plurality of bonding portion on the workstation to go up, it is provided with first accommodation hole on the workstation to go up, vacuum chuck is located in the first accommodation hole, vacuum chuck can follow vertical direction and remove in order to stretch out outside the first accommodation hole, vacuum chuck can stimulate the panel laminating is in go up the workstation with bonding portion bonds, also can promote the panel with bonding portion separation.

2. The panel alignment device of claim 1, wherein the vacuum chuck and the bonding portion are spaced apart.

3. The panel alignment device of claim 1, wherein the first receiving hole penetrates the upper stage in a vertical direction.

4. The panel alignment device according to claim 2, wherein a guide member is provided between the vacuum chuck and the hole wall of the first accommodation hole, the guide member includes a guide groove and a guide projection slidably fitted in the guide groove, one of the guide groove and the guide projection is provided on the vacuum chuck, and the other of the guide groove and the guide projection is provided on the hole wall of the first accommodation hole.

5. The panel alignment device of claim 1, wherein a first driving member is disposed on a side of the upper table away from the lower table, the first driving member is connected to all the vacuum chucks, and the first driving member can synchronously drive all the vacuum chucks to vertically move.

6. The panel alignment device of claim 5, wherein the first driving member comprises a first lifting frame and a first air cylinder, the first lifting frame is located above the upper workbench, the first air cylinder is used for driving the first lifting frame to lift relative to the upper workbench, and the upper ends of all the vacuum suction cups are connected with the first lifting frame.

7. The panel aligning apparatus according to claim 6, wherein a guide rod is provided at a side of the upper table opposite to the lower table, a lower end of the guide rod is connected to the upper table, an upper end of the guide rod extends in a vertical direction, the first lifting frame is provided with a guide hole through which the guide rod is inserted, and the first lifting frame is lifted and lowered with respect to the guide rod.

8. The panel alignment device of claim 1, wherein the upper table is concavely provided with a mounting groove, and the bonding part is detachably mounted in the mounting groove.

9. The panel aligning apparatus of any one of claims 1 to 7, wherein the upper table is concavely provided with a mounting groove, the bonding part is mounted in the mounting groove, the bonding part has a bonding surface bonded with the panel, and the bonding surface is flush with the lower surface of the upper table.

10. The panel alignment device of any one of claims 1 to 8, wherein the lower table is provided with ejector pins which are vertically movable to project from an upper surface of the lower table.